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BareBones/barebones.ino

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+#include <FastLED.h>
+
+// How many leds in your strip?
+#define NUM_LEDS 300
+
+//defining locations of pins
+#define DATA_PIN 2
+#define BUTTON_PIN 4
+
+// Define the array of leds
+CRGB leds[NUM_LEDS];
+
+//assigning locations of pins
+int buttonPin = 8;
+int ledPin = 13; 
+
+
+void setup() { 
+  
+  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);  // GRB ordering is assumed
+  Serial.begin(115200);
+  pinMode(BUTTON_PIN, INPUT_PULLUP); //use internal pullup resistor
+  
+} //void setup
+
+
+void loop() {
+  // Move a single LED down the strip
+  for (int i = 0; i < NUM_LEDS; i++) {
+    leds[i] = CRGB::Red;  // Set the current LED to red
+    FastLED.show();       // Display the updated LED colors
+    //delay(0.001);           // Wait for 100 milliseconds
+    delayMicroseconds(100);
+
+
+
+    leds[i] = CRGB::Black;  // Turn off the current LED
+    FastLED.show();         // Update the strip
+  }
+}